Gwangju Bank and Toss complete stablecoin QR payment trial, but no launch date or coin has been named

Gwangju Bank and fintech giant Toss have completed a proof of concept that lets customers pay at merchant terminals with stablecoins by scanning a QR code, but there is no launch date and the bank has not said which stablecoin it would support. Yonhap News reported on Oct. 8 that the trial was a technical test, not a commercial service.

Gwangju Bank and Toss connect banking and merchant payments

The stablecoin QR payments trial was built around a relatively straightforward customer journey.

A customer first selected the stablecoin payment option inside Gwangju Bank’s mobile banking application. That action redirected the customer to Toss’s QR-scanning interface, where the user could scan the QR code displayed on a merchant’s Toss Place terminal.

After scanning, the customer reviewed the transaction amount and confirmed the payment. Once approved, the stablecoin was transferred directly from the customer’s digital wallet to the merchant’s wallet. The customer could then return to the Gwangju Bank application to view the transaction result.

That structure allowed the companies to test whether blockchain-based payments could be incorporated into an existing banking and merchant-payment environment without forcing users through a complicated sequence of separate applications and procedures.

Gwangju Bank Vice President Byun Mi-kyung said the project created a technical foundation that could help the bank respond to developments in digital-asset payments. She also said the exercise allowed the companies to examine the payment experience from the customer’s perspective.

The result does not mean South Korean consumers can currently walk into participating stores and pay with stablecoins through Gwangju Bank. The exercise was a proof of concept designed to verify that the underlying systems could communicate and complete the transaction process.

Second trial could bring the system closer to real merchants

Following the technical test, Gwangju Bank and Toss are preparing another proof of concept focused on making the process easier for customers.

The companies are examining ways to reduce the number of steps required to complete a purchase, an important consideration if blockchain-based payments are eventually expected to compete with conventional card, bank-transfer and mobile-payment systems.

The partners are also discussing additional testing with merchants in Gwangju and the wider Jeonnam region. However, no timetable for the next exercise has been announced.

The push toward simpler transactions reflects a broader challenge for stablecoin payments. Blockchain networks can provide programmable settlement and direct digital-asset transfers, but consumers are unlikely to adopt them at scale if payment procedures are significantly more complicated than existing digital-payment services.

For Gwangju Bank and Toss, the latest experiment therefore goes beyond demonstrating that a token can move between wallets. It tests whether the infrastructure surrounding that transfer can be integrated into a payment experience that resembles services consumers already understand.

Toss expands its stablecoin and blockchain payment experiments

The Gwangju Bank project is part of a wider series of blockchain and stablecoin initiatives involving Toss and its banking affiliate.

In July, Toss partnered with Optimism and Sunnyside Labs on a three-month technology verification project examining infrastructure for won-denominated stablecoins. The initiative covered areas including payment settlement, privacy and compliance, using Optimism’s OP Stack and Sunnyside Labs’ Privacy Boost technology.

Toss has also explored potential stablecoin services with Circle. The companies agreed to examine areas including USDC-based payment services, digital wallets and programmable payments. Circle separately reached an agreement with Kakao Group covering stablecoin payments, remittances and digital-asset infrastructure.

Neither partnership, however, amounted to the launch of a commercial stablecoin payment product.

Toss Bank also partnered with the Solana Foundation in June to explore blockchain-based international remittances and settlement. The project examined whether stablecoins and blockchain infrastructure could support overseas transfers while remaining connected to conventional banking services.

Together, these initiatives show how South Korean financial companies are approaching blockchain from multiple directions, including domestic payments, international transfers, settlement and digital wallets.

Stablecoin trials accelerate as South Korea works on new rules

The momentum behind stablecoin QR payments comes as South Korea develops a regulatory framework for digital assets.

The country’s Financial Services Commission has been preparing the second stage of digital-asset legislation, with stablecoin issuance and distribution among the issues under consideration. The proposed framework is expected to address how digital assets can operate within the country’s financial system while establishing requirements for market participants.

The regulatory debate also includes questions over who should be permitted to issue won-denominated stablecoins and what safeguards should apply.

The Bank of Korea has backed an approach in which won-linked stablecoins would initially be issued by bank-led consortiums. At the same time, financial technology companies and other industry participants have sought roles in the emerging market, creating an important policy debate over the balance between banks, fintech firms and digital-asset businesses.

For South Korean financial institutions, the regulatory outcome could have a direct effect on how experimental payment systems develop.

The Gwangju Bank-Toss project provides an early glimpse of what stablecoin QR payments could look like when integrated into conventional banking infrastructure: a customer initiates a transaction through a familiar financial application, scans a merchant QR code and completes a digital-asset transfer without separately navigating a traditional crypto exchange.

The next stage will determine whether that technical foundation can be made simpler and tested in broader merchant environments.

For now, stablecoin QR payments remain an experimental area in South Korea rather than a mainstream consumer payment option. But with banks, fintech companies and blockchain firms continuing to test the infrastructure, the country’s regulatory decisions could determine how quickly these experiments move from controlled demonstrations to real-world financial services.